Home / 219,278.39-302,600.91-122,483.59

Finding the Fourth Proportional to 219,278.39, 302,600.91 and 122,483.59

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Solution

The fourth proportional to 219,278.39, 302,600.91 and 122,483.59 is: 169,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,278.39 : 302,600.91 = 122,483.59 : x
  2. Step 2: Convert to fraction form
    219,278.39/302,600.91 = 122,483.59/x
  3. Step 3: Cross multiply
    219,278.39x = 302,600.91 × 122,483.59
  4. Step 4: Simplify right side
    219,278.39x = 37,063,645,794.07
  5. Step 5: Solve for x
    x = 37,063,645,794.07/219,278.39
  6. Step 6: Final answer
    x = 169,025.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.